<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <script>
        var username = "李子龙";
        document.write("姓名:李子龙");
        
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
        document.write("姓名:");
        document.write(username);
    </script>
</body>
</html>